(19)
(11) EP 1 733 488 A1

(12)

(43) Date of publication:
20.12.2006 Bulletin 2006/51

(21) Application number: 05734303.0

(22) Date of filing: 08.04.2005
(51) International Patent Classification (IPC): 
H04B 7/204(2006.01)
H04B 17/00(2006.01)
H04B 7/005(2006.01)
H04B 7/216(2006.01)
(86) International application number:
PCT/CA2005/000543
(87) International publication number:
WO 2005/099130 (20.10.2005 Gazette 2005/42)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(30) Priority: 09.04.2004 US 560591 P

(71) Applicant: Axiocom Inc.
Trois-Rivières, Québec G9A 4J4 (CA)

(72) Inventors:
  • AHMED-OUAMEUR, Messaoud
    Trois-Rivières, Québec G8Y 3Y9 (CA)
  • MASSICOTTE, Daniel
    Trois-Rivières, Québec G8Y 3Y9 (CA)

(74) Representative: Schmit, Christian Norbert Marie 
Schmit Chretien Schihin SNC 8, place du Ponceau
95000 Cergy
95000 Cergy (FR)

   


(54) METHOD AND SYSTEM FOR MULTI-USER CHANNEL ESTIMATION IN DS-CDMA SYSTEMS